Benchmark: lodash includes vs ramda includes

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.26.1/ramda.min.js"></script>

Script Preparation code:

var arr = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]

Tests:

Ramda uniq
R.uniq(arr);
Lodash uniq
_.uniq(arr);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Ramda uniq
Lodash uniq

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0

Browser/OS: Chrome 143 on Windows

View result in a separate tab

Test name	Executions per second
Ramda uniq	5760158.5 Ops/sec
Lodash uniq	23570936.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

I'll break down the benchmark for you.

**Benchmark Overview**

The benchmark compares two functions: `_.uniq(arr)` from Lodash and `R.uniq(arr)` from Ramda. The script preparation code initializes an array `arr` with 14 elements, all of which are equal to 7. This is done to test both functions' performance when removing duplicates.

**Options Compared**

The two options being compared are:

1. **Lodash's _.uniq() function**: This function takes an array as input and returns a new array containing only unique elements.
2. **Ramda's R.uniq() function**: Similar to Lodash's implementation, this function also removes duplicate elements from an array.

**Pros and Cons of Each Approach**

Both functions have similar functionality, but there are some differences in their implementation:

* **Performance**: Ramda's `R.uniq()` might be slightly faster due to its functional programming style and use of memoization. Lodash's implementation is more imperative and uses a simple algorithm to remove duplicates.
* **Readability**: Both functions have clear names and signatures, making them easy to understand for developers familiar with the libraries. However, Ramda's `R.uniq()` might be considered more concise due to its use of higher-order functions.

**Library Descriptions**

1. **Lodash**: Lodash is a popular JavaScript utility library that provides a wide range of functions for common tasks such as array manipulation, string formatting, and object creation. _.uniq() is one of the many utility functions available in the library.
2. **Ramda**: Ramda is another popular JavaScript functional programming library that offers a set of curried functions for data processing, transformation, and manipulation. R.uniq() is part of Ramda's core functionality.

**Special JS Feature or Syntax**

There isn't any special JavaScript feature or syntax used in this benchmark. Both Lodash and Ramda use standard JavaScript features like function declarations and arrow functions.

**Other Alternatives**

If you're interested in alternative approaches for removing duplicates, here are some other options:

* **JavaScript's built-in `Set` data structure**: You can use the `Set` object to remove duplicates from an array by converting it to a set and then back to an array.
* **Google's Closure Library's `Array.unique()` function**: This function provides a similar functionality to Lodash's _.uniq() but is part of Google's Closure Library.

Keep in mind that these alternatives might have different performance characteristics, readability, or maintainability compared to the benchmarked functions.

Related benchmarks:

lodash includes vs ramda includes (version: 0)

Comparing performance of: Ramda uniq vs Lodash uniq

Created: 6 years ago by: Guest

Jump to the latest result

Ramda uniq

Lodash uniq

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):